Head to head · Row Crop

Allis Chalmers D21 Series I vs Steyr 9105MT

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Allis ChalmersModel A

Allis Chalmers D21 Series I

Row Crop

power
103 hp
displacement
426 ci
Cylinders
6
Forward gears
8
Full D21 Series I specs
Image not recorded
SteyrModel B

Steyr 9105MT

Utility

power
101 hp
displacement
268 ci
Cylinders
4
Forward gears
16
Full 9105MT specs
Allis ChalmersAllis Chalmers D21 Series I
vs
SteyrSteyr 9105MT

How they compare

Headline specs vs. the whole Row Crop

n = 806–1,417

Engine Power

▲ D21 Series I higher · +2 hp (+2%)
D21 Series I103 hp
9105MT101 hp
Median Row Crop Tractor138 hp

D21 Series I is in the 27th percentile; 9105MT is in the 26th · 1,206 models

Engine Displacement

▲ D21 Series I higher · +158 ci (+59%)
D21 Series I426 ci
9105MT268 ci
Median Row Crop Tractor391 ci

D21 Series I is in the 72nd percentile; 9105MT is in the 20th · 1,409 models

Cylinders

▲ D21 Series I higher · +2 (+50%)
D21 Series I6
9105MT4
Median Row Crop Tractor6

D21 Series I is in the 50th percentile; 9105MT is in the 17th · 1,417 models

Forward Gears

▲ 9105MT higher · +8 (+100%)
D21 Series I8
9105MT16
Median Row Crop Tractor16

D21 Series I is in the 16th percentile; 9105MT is in the 50th · 1,200 models

D21 Series I (A)9105MT (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers D21 Series ISteyr 9105MTDifference
ManufacturerAllis ChalmersSteyr—
ModelD21 Series I9105MT—
CategoryRow CropUtility—

Engine

SpecAllis Chalmers D21 Series ISteyr 9105MTDifference
ManufacturerAllis ChalmersSisu—
Model3400Not recorded—
Power Output103hp101hp▲ D21 Series I+2 hp · +2%
Rated RPM2,200RPM2,300RPM▲ 9105MT+100 RPM · +5%
Cylinders64▲ D21 Series I+2 · +50%
Displacement426ci268ci▲ D21 Series I+158 ci · +59%
Bore4.3in4.3inSame
Stroke5in4.7in▲ D21 Series I+0.3 in · +6%

Transmission

SpecAllis Chalmers D21 Series ISteyr 9105MTDifference
TypeSliding gear with dry disc clutchPower-2—

Dimensions & Weight

SpecAllis Chalmers D21 Series ISteyr 9105MTDifference
Length161in166in▲ 9105MT+5 in · +3%
Width91.6in85.4in▲ D21 Series I+6.2 in · +7%
Height107in108in▲ 9105MT+1 in · <1%
Operating Weight9,500lb9,215lb▲ D21 Series I+285 lb · +3%

Hydraulics

SpecAllis Chalmers D21 Series ISteyr 9105MTDifference
Steering TypePowerPowerSame

Power Take-off (PTO)

SpecAllis Chalmers D21 Series ISteyr 9105MTDifference
TypeIndependentNot recorded—
Speed 11,000rpmNot recorded—

Hitch & Towing

SpecAllis Chalmers D21 Series ISteyr 9105MTDifference
Hitch TypeThree-Point HitchNot recorded—
Hitch CategoryIII/IINot recorded—
Hitch PositionRearNot recorded—

Chassis & Drive

SpecAllis Chalmers D21 Series ISteyr 9105MTDifference
Chassis Type4x2 2WD4x4 MFWD 4WD—
Drive Type2WD4WD—
Steering TypePowerPowerSame
Brake TypeBand actuated discNot recorded—

Electrical

SpecAllis Chalmers D21 Series ISteyr 9105MTDifference
Starter TypeElectricElectricSame

Emissions

SpecAllis Chalmers D21 Series ISteyr 9105MTDifference
StandardNot recordedTier III—

Capacities

SpecAllis Chalmers D21 Series ISteyr 9105MTDifference
Coolant5.3galNot recorded—

Operator Station

SpecAllis Chalmers D21 Series ISteyr 9105MTDifference
TypeOpenNot recorded—

Category context

Both models against the field

Engine Power

median 138 hp
A · 27th percentile (103 hp)B · 26th percentile (101 hp)

Engine Displacement

median 391 ci
A · 72nd percentile (426 ci)B · 20th percentile (268 ci)

Cylinders

median 6
A · 50th percentile (6)B · 17th percentile (4)

Forward Gears

median 16
A · 16th percentile (8)B · 50th percentile (16)

Operating Weight

median 12,307 lb
A · 28th percentile (9,500 lb)B · 27th percentile (9,215 lb)
A · D21 Series IB · 9105MTMedian Row Crop Tractor
Full spec pageAllis Chalmers D21 Series IFull spec pageSteyr 9105MT